Finding the Fourth Proportional to 368,393,880.14, 508,380,922.44 and 201,130,135.88
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Solution
The fourth proportional to 368,393,880.14, 508,380,922.44 and 201,130,135.88 is: 277,558,150.45
Step by Step Solution
- Step 1: Write the proportion equation
368,393,880.14 : 508,380,922.44 = 201,130,135.88 : x - Step 2: Convert to fraction form
368,393,880.14/508,380,922.44 = 201,130,135.88/x - Step 3: Cross multiply
368,393,880.14x = 508,380,922.44 × 201,130,135.88 - Step 4: Simplify right side
368,393,880.14x = 102,250,724,009,156,944 - Step 5: Solve for x
x = 102,250,724,009,156,944/368,393,880.14 - Step 6: Final answer
x = 277,558,150.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.